From f44c9936950ed01057ecef822c9c871173d23ece Mon Sep 17 00:00:00 2001
From: "Adam D. Ruppe" <destructionator@gmail.com>
Date: Mon, 11 Apr 2022 09:11:00 -0400
Subject: [PATCH] experimenting with input proxy

---
 minigui.d                | 52 ++++++++++++++++++++++++++++++++++++++--
 minigui_addons/webview.d | 14 ++++++-----
 2 files changed, 58 insertions(+), 8 deletions(-)

diff --git a/minigui.d b/minigui.d
index 73c125c..5ad7e9d 100644
--- a/minigui.d
+++ b/minigui.d
@@ -8082,12 +8082,59 @@ class Window : Widget {
 		}
 		win = new SimpleWindow(width, height, title, OpenGlOptions.no, Resizability.allowResizing, WindowTypes.normal, WindowFlags.dontAutoShow | WindowFlags.managesChildWindowFocus);
 
+		/+
+		// for input proxy
+		auto display = XDisplayConnection.get;
+		auto inputProxy = XCreateSimpleWindow(display, win.window, -1, -1, 1, 1, 0, 0, 0);
+		XSelectInput(display, inputProxy, EventMask.KeyPressMask | EventMask.KeyReleaseMask);
+		XMapWindow(display, inputProxy);
+		import std.stdio; writefln("input proxy: 0x%0x", inputProxy);
+		this.inputProxy = new SimpleWindow(inputProxy);
+
+		XEvent lastEvent;
+		this.inputProxy.handleNativeEvent = (XEvent ev) {
+			lastEvent = ev;
+			return 1;
+		};
+		this.inputProxy.setEventHandlers(
+			(MouseEvent e) {
+				dispatchMouseEvent(e);
+			},
+			(KeyEvent e) {
+				//import std.stdio;
+				//writefln("%x   %s", cast(uint) e.key, e.key);
+				if(dispatchKeyEvent(e)) {
+					// FIXME: i should trap error
+					if(auto nw = cast(NestedChildWindowWidget) focusedWidget) {
+						auto thing = nw.focusableWindow();
+						if(thing && thing.window) {
+							import std.stdio; writeln("sending event ", lastEvent.xkey);
+							XSendEvent(XDisplayConnection.get, thing.window, false, 0, &lastEvent);
+						}
+					}
+				}
+			},
+			(dchar e) {
+				if(e == 13) e = 10; // hack?
+				if(e == 127) return; // linux sends this, windows doesn't. we don't want it.
+				dispatchCharEvent(e);
+			},
+		);
+		// done
+		+/
+
+
+
 		win.setRequestedInputFocus = &this.setRequestedInputFocus;
 
 		this(win);
 	}
 
+	SimpleWindow inputProxy;
+
 	private SimpleWindow setRequestedInputFocus() {
+		// return inputProxy;
+
 		if(auto fw = cast(NestedChildWindowWidget) focusedWidget) {
 			// sdpyPrintDebugString("heaven");
 			return fw.focusableWindow;
@@ -8126,13 +8173,14 @@ class Window : Widget {
 		event.ctrlKey = (ev.modifierState & ModifierState.ctrl) ? true : false;
 		event.dispatch();
 
-		return true;
+		return !event.defaultPrevented;
 	}
 
 	bool dispatchCharEvent(dchar ch) {
 		if(focusedWidget) {
 			auto event = new CharEvent(focusedWidget, ch);
 			event.dispatch();
+			return !event.defaultPrevented;
 		}
 		return true;
 	}
@@ -8249,7 +8297,7 @@ class Window : Widget {
 			}
 		}
 
-		return true;
+		return true; // FIXME: the event default prevented?
 	}
 
 	/++
diff --git a/minigui_addons/webview.d b/minigui_addons/webview.d
index 71129d9..194743e 100644
--- a/minigui_addons/webview.d
+++ b/minigui_addons/webview.d
@@ -548,7 +548,7 @@ version(cef) {
 
 				runInGuiThread({
 					ret = 1;
-					scope WebViewWidget delegate(Widget, BrowserSettings) o = (parent, passed_settings) {
+					scope WebViewWidget delegate(Widget, BrowserSettings) accept = (parent, passed_settings) {
 						ret = 0;
 						if(parent !is null) {
 							auto widget = new WebViewWidget_CEF(this.client, parent);
@@ -560,7 +560,7 @@ version(cef) {
 						}
 						return null;
 					};
-					this.client.openNewWindow(OpenNewWindowParams(target_url.toGC, o));
+					this.client.openNewWindow(OpenNewWindowParams(target_url.toGC, accept));
 					return;
 				});
 
@@ -836,10 +836,12 @@ version(cef) {
 			// sdpyPrintDebugString("take");
 		}
 		override int on_set_focus(RC!(cef_browser_t) browser, cef_focus_source_t source) nothrow {
-			//browser.runOnWebView((ev) {
-			//sdpyPrintDebugString("setting");
-				//ev.parentWindow.focusedWidget = ev;
-			//});
+			/+
+			browser.runOnWebView((ev) {
+			sdpyPrintDebugString("setting");
+				ev.parentWindow.focusedWidget = ev;
+			});
+			+/
 
 			return 1; // otherwise, cancel because this bullshit tends to steal focus from other applications and i never, ever, ever want that to happen.
 			// seems to happen because of race condition in it getting a focus event and then stealing the focus from the parent